Abstract
The present study was carried out to observe the dissipation pattern of triazophos on capsicum and risk assessment of its residues on human beings and to suggest a waiting period for the safety of consumers. Following two applications of triazophos (Truzo 40 EC) at 500 and 1000g a.i. ha(-1), the average initial deposits were found to be 3.61 and 6.26mgkg(-1), respectively. These residues dissipated below the limit of quantification (LOQ) of 0.05mgkg(-1) in 10 and 15days at the recommended and double the recommended dosages, respectively. The calculated values of half-life were 2.31 and 2.14days at recommended and double the recommended dosages, respectively. Theoretical maximum residue contribution (TMRC) values were found to be 28.8 and 41.6μg person(-1)day(-1) at 500 and 1000g a.i. ha(-1), respectively, and found to be below the maximum permissible intake on capsicum fruit on the 7th day. Therefore, a waiting period of 7days is suggested for consumption of capsicum sprayed with triazophos at the recommended dosages.
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